Patents Assigned to PharmaDyn, Inc.
  • Nonocclusive drug delivery device and process for its manufacture
    Patent number: 5716621
    Abstract: A nonocclusive drug delivery device includes (a) an open cell, flexible, oleophilic thermoplastic resin foam layer, (b) a substantially moisture vapor permeable, liquid impermeable, flexible thermoplastic barrier layer bonded to the upper surface of the foam layer, (c) a pressure sensitive adhesive layer and (d) a drug composition comprising a drug and an oleophilic drug delivery vehicle.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: February 10, 1998
    Assignee: PharmaDyn, Inc.
    Inventors: Gastone P. Bello, John W. Lyle, Donald A. Johnson